Probability+1Y

__//** Probability: **//__

number of outcomes for event A/total number of possible outcomes.

ex. 3 green socks, 5 red, and 4 blue. whats the possibility that you'll pull out a red sock. 3+5+5=13

3 red/13 all together __

3/13 chances you will pull out a red sock. __

FX-16 __if you flip a fair coin, what is the possibility that you will:__ a) land on tails b) land on heads

a. tails-1/2 because ONE coin has one side head and one side tails and if you flip it once, you have 1 out of 2 chances it will land on tails. b. heads-1/2 a coin has to sides, heads & tails and if you flip it once, it means that there's 1 out of 2 chances it will land on heads. cpm.org